If you ever need to adjust the account on an order,
Go to Contributions > All Contributions, then select the contribution you wish to edit.
Scroll down till you see a section with the donor's name with three dots to the side, click on the three dots
Select Switch Supporter, then type in the supporter's name.
The profile must be active in your Supporter database to be searchable.
Once you adjust the supporter profile on the order, this will permanently change the contribution record.